#include <stdio.h>

int SumofAdd(int begin, int end){
    int sum = 0;
    int i = begin;
    for(; i <= end; ++i){
        sum += i;
    }
    return sum;
}

int main(){

    printf("Circle Begin...\n");

    int result = 0;
    result = SumofAdd(0, 100);

    printf("result = %d\n", result);
    printf("Circle end...\n");
    return 0;
}
